Network service opening method and device

The invention provides a network service opening method and device. The method comprises the following steps: when an initial charging data request of a user terminal of a user is received, detecting a reporting network element of the initial charging data request; when it is detected that the reported network element is a 5G charging network element, user network position information in the initial charging data request is detected, and when it is detected that the user network position information belongs to a preset network element, a 5G network service is opened for the user; wherein the preset network elements comprise a 2G network element, a 3G network element and a 4G network element, and the user is a 4G user having subscription information in a home subscriber server. According to the network service opening method provided by the embodiment of the invention, the 5G network service can be more accurately opened for the user capable of using the 5G network. 本申请提供一种网络业务开通方法及装置。所述方法包括：在接收到用户的用户终端的初始计费数据